October 17, 2025

When Does 1910.36(e) Side-Hinged Exit Door Requirement Apply in Data Centers?

Understanding the nuances of OSHA's 1910.36(e) regulations on side-hinged exit doors is crucial for ensuring safety in various workplace settings, including data centers. This regulation mandates that side-hinged doors be used to connect any room to an exit route, with specific conditions dictating when these doors must swing outward.

In data centers, the application of 1910.36(e) can be complex due to the unique nature of these environments. Data centers often house critical infrastructure with high-value equipment and sensitive data, necessitating a careful balance between security, accessibility, and safety compliance.

Key Requirements of 1910.36(e)

OSHA's regulation under 1910.36(e)(1) states that a side-hinged door must be used to connect any room to an exit route. This is a straightforward requirement, but it's the next part, 1910.36(e)(2), that often triggers deeper analysis in data centers. This section specifies that the door must swing out in the direction of exit travel if the room is designed to be occupied by more than 50 people or if it's a high hazard area.

Application in Data Centers

Data centers typically do not meet the criteria of being occupied by more than 50 people at any given time. However, the classification as a high hazard area can vary depending on the specific operations within the data center. If a data center stores materials or equipment that could potentially burn rapidly or explode, it might be classified as a high hazard area, thus necessitating outward-swinging doors.

In my experience, many data centers opt for additional safety measures beyond the minimum requirements. For instance, we might recommend installing fire suppression systems or using fire-resistant materials to mitigate risks, even if the data center doesn't strictly fall under the high hazard category.

Limitations and Considerations

While 1910.36(e) provides clear guidelines, its application in data centers may not always be straightforward. Based on available research, individual results may vary due to the unique configurations and operations of different data centers. It's essential to conduct a thorough risk assessment to determine if the data center should be classified as a high hazard area.

Moreover, the National Fire Protection Association (NFPA) offers additional guidance that can be considered alongside OSHA regulations. The NFPA 75 standard, for example, addresses the safety of information technology equipment and can provide further insights into managing risks in data centers.

When evaluating compliance, it's crucial to consider not just the letter of the law but also the spirit of safety that these regulations embody. Ensuring that exit routes are clear, accessible, and appropriately designed can significantly enhance the safety of all personnel within a data center.

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